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Assertion. In apomixis , plants of new g...

Assertion. In apomixis , plants of new genetic sequence are produced.
Reason. In apomixis , two individuals of same genetic sequence meet .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

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Given below are assertion and reason. Point out if both are true and reason is correct explanation (A), both are true but reason is not correct explanation (B), assertion is true but reason is wrong (C) and both are wrong (D). Assertion. In apomixis, plants of new genetic sequences are produced. Reason. In apomixis, individuals of same genetic sequence meet.

Mobile genetic sequences are called

Apomixis is deveolpment of new plant

Assertion :- Apomixis is a form of asexual reproduction that mimics sexual reproduction. Reason :- In apomixis there is formation of seed without fertilisation.

Crossing of two plants of unlike genetic characters in called:

Assertion : In plants, apomixis is a form of asexual reporduction that minics sexual reproduction. Reason : Apomixis involves the production of seeds without the fusion of gametes.

Genetically identical progeny is produced when the individual

Assertion (A): Any fragment of DNA, when linked to the ori region, can be initiated to replicate. Reason (R) : Ori is a genetic sequence that acts as the initiation site for replication of DNA.

Which of the following is correct about apomixis? I. An apomixis is a form of sexual reproduction. II. Apomixis is a mechanism to produce seeds without fertilization. III. Apomictic embryos are similar in their genetic nature. IV. Examples of apomixis are Citrus and mango.

TRUEMAN BIOLOGY-Plant Morphology & Reproduction -ASSERTION AND REASON
  1. Assertion. The time involved between pollination and fertilization var...

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  2. [A] : Synergids play an important role in directing the pollen tube gr...

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  3. Assertion. In apomixis , plants of new genetic sequence are produced. ...

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  4. [A]: Incompatibility is a gene physiological process. [R]: Moderate...

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  5. [A]: The pollen sterility has been attributed to the malfunctioning of...

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  6. [A]: The three cells of the egg apparatus are arranged in a triangular...

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  7. [A]: Pollen grains from male parent are mostly transferred to the stig...

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  8. [A]: The two sperms cells in a pollen tube often change their shape. ...

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  9. [A] : Synandrous condition is found in curcurbits. [R] : The male fl...

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  10. [A]: In certain plants the stem that twins around the support is hard ...

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  11. [A]: Leaf in Daucus carota is decompound. [R]: Saprophytic and paras...

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  12. [A]: The colour of flowers in Bougainvillia is due to the coloured bra...

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  13. [A]: The endosperm contains the triploid number of chromosomes. [R]:...

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  14. [A]: Spore mother cells within the anther pollen sacs form four haploi...

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  15. [A]: One diploid embryo sac mother cell develops within the nucellus o...

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  16. [A]: Triple fusion results in veg~tative fertiliza- tion of angiosperm...

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  17. [A]: Pollination is essential for fertilization. [R]: Abscission or...

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  18. [A]: The biennial plants live for two years. [R]: They flower in bo...

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  19. Assertion (A): Many visitors to the hills suffer from skin and respira...

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  20. [A]: Endosperm is tripolid in angiosperms. [R]: In gymnosperms, it ...

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